water and pH

A solution with a pH of 3.6 would be...

• Acid
• basic
• Neutral
• Acid and basic

Tags

NGSS.MS-PS1-2

Is water a polar or non-polar molecule?

• polar
• non-polar

Tags

NGSS.MS-PS1-1

What does the pH scale range from?

• 0-10
• 2-15
• 1-5
• 0-14

What is cohesion?

• water molecules sticking to other water molecules
• water molecules sticking to different molecules
• when you dissolve a substance in a solution 
• when molecules become chemically combined

what number is considered neutral on the pH scale?

• 4
• 12
• 7
• 10

According to the pH range which substance is more acidic than lemon juice

• Hydrochloric acid
• cabbage
• milk

Tags

NGSS.MS-PS1-2

Why does ice float in water?

• Because of stronger hydrogen bonds at the surface
• The density of water as a solid is less than the density of water as a liquid
• Surface tension helps it float
• It is more dense

Tags

NGSS.MS-PS3-4

What is an example of an organism that uses surface tension?

• a water llama
• a water strider
• a tadpole
• a snakehead

What is the main property of water?

• Ice
• Adhesion
• Cohesion
• Polarity

Tags

NGSS.HS-ESS2-5

What is a solvent?

• The substance that does the dissolving in a solution.
• The substance that is being dissolved in a solution.
• The mixing of different substances.
• The process in which neutral molecules lose or gain electrons